Caught in the Act!
02/02/2010 AT 06:00 AM EST
Later in the evening, Knowles and Jay-Z arrived at Reid's bash, and it became a mini-Destiny's Child reunion for the pop star as she sat next to Michelle Williams at the dinner table. The two caught up for a long time, leaning in and sharing close conversation. Then, at 10 p.m., Rihanna arrived and took a seat across from Beyoncé and Jay-Z, who gave her a high-five, as she nibbled on lobster and mascarpone ravioli, while they watched their favorite moments – and acceptance speeches – as everyone applauded.
Jake Gyllenhaal spent his Grammy Sunday hanging out with sister Maggie Gyllenhaal and her family over brunch at Ammo Café in Hollywood. "Jake was in a great mood and very playful with his 3-year-old niece, Ramona," a brunch guest says, adding that the actor even shared food with Ramona.
On a hopping patio at West Hollywood's Chateau Marmont, Eva Longoria Parker was joined by a large group of female friends – including Robin Antin – for a lively dinner, including plenty of laughter and fried chicken! Across the patio, Will Arnett and wife Amy Poehler were also dining with a group.
Cameron Diaz, getting an organic custom spray tan at Ona Spa in West Hollywood. The Knight and Day actress liked the treatment so much, she booked an appointment for her stunt double to come in the next day.
By PERNILLA CEDENHEIM, ALEXIS CHIU, JENNIFER GARCIA and JESSICA HERNDON
Monday's Couples Watch >